Recently, Nantong Just-Sea Offshore Equipment CO.,LTD. (hereinafter referred to as "Just-Sea Offshore") independently drafted and compiled the "Technical Requirements for R4-R6 High Breaking Force Anchor Chain Guides" (T/CSNAME 147—2025) and the "Technical Requirements for R4-R6 High Breaking Force Anchor Chain Universal Joints" (T/CSNAME 148—2025)、The three group standards for "Technical Requirements for R4-R6 High Breaking Force Anchor Chain Tensioners" (T/CSNAME 149—2025) were officially released by the China Shipbuilding Engineering Society on December 31, 2025, and will be fully implemented from March 31, 2026. The drafting of these three group standards was led by Just-Sea Offshore, with participation from Jiangsu Provincial Ship and Ocean Engineering Equipment Technology Innovation Center, Nantong Pengrui Marine Engineering Technology Co., Ltd., PowerChina Zhongnan Engineering Corporation Limited, Jiangsu University of Science and Technology, and other units. The successful release of these three standards is not only an important achievement of Just-Sea Offshore deep exploration in the field of ship and ocean engineering equipment and standardization construction, but also a key measure for enterprises to accurately meet the needs of the industry's green and intelligent transformation, lead industrial upgrading with technical standards, and promote the high-quality development of China's shipbuilding industry.

       For a long time, Just-Sea Offshore has attached great importance to the integrated development of technological innovation and standard development, continuously increasing R&D investment and standard layout in key equipment fields, actively participating in industry standardization work, and constantly transforming independent innovation achievements into industry standards. In the next step, the company will take the opportunity of this standard release to continue to focus on the high-quality development needs of the shipbuilding industry, increase R&D efforts in key core technologies around deep-sea equipment, green intelligent ship supporting equipment, and other key directions, accelerate the transformation of more innovation achievements into technical standards, actively lead or participate in the formulation and revision of more industry standards and national standards, continuously strengthen standard promotion and application, lead the high-quality development of the industry with high standards, and contribute Jihai's strength to building a powerful shipbuilding nation and a powerful maritime nation.